Home / 3,003.18-4,145.51-2,259.29

Finding the Fourth Proportional to 3,003.18, 4,145.51 and 2,259.29

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Solution

The fourth proportional to 3,003.18, 4,145.51 and 2,259.29 is: 3,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.18 : 4,145.51 = 2,259.29 : x
  2. Step 2: Convert to fraction form
    3,003.18/4,145.51 = 2,259.29/x
  3. Step 3: Cross multiply
    3,003.18x = 4,145.51 × 2,259.29
  4. Step 4: Simplify right side
    3,003.18x = 9,365,925.30
  5. Step 5: Solve for x
    x = 9,365,925.30/3,003.18
  6. Step 6: Final answer
    x = 3,118.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.